diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0ce994b12e65..dfce9529c0af 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1017,6 +1017,12 @@ jobs:
 
   build-sdk-package:
     uses: ./.github/workflows/build-sdk.yml
+    if:
+      (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]')) ||
+      (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3') ||
+      (github.event_name == 'schedule' && github.repository == 'scala/scala3') ||
+      github.event_name == 'push' ||
+      github.event_name == 'merge_group'
     with:
       java-version: 8
 
diff --git a/.github/workflows/launchers.yml b/.github/workflows/launchers.yml
index 399dd34cef3b..ce3aac235224 100644
--- a/.github/workflows/launchers.yml
+++ b/.github/workflows/launchers.yml
@@ -10,6 +10,8 @@ jobs:
   linux-x86_64:
     name: Deploy and Test on Linux x64 architecture
     runs-on: ubuntu-latest
+    if: (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]') ) ||
+        (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3' )
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK 17
@@ -46,6 +48,8 @@ jobs:
   mac-x86_64:
     name: Deploy and Test on Mac x64 architecture
     runs-on: macos-13
+    if: (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]') ) ||
+        (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3' )
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK 17
@@ -65,6 +69,8 @@ jobs:
   mac-aarch64:
     name: Deploy and Test on Mac ARM64 architecture
     runs-on: macos-latest
+    if: (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]') ) ||
+        (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3' )
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK 17
@@ -84,6 +90,8 @@ jobs:
   win-x86_64:
     name: Deploy and Test on Windows x64 architecture
     runs-on: windows-latest
+    if: (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]') ) ||
+        (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3' )
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK 17
diff --git a/.github/workflows/spec.yml b/.github/workflows/spec.yml
index a639c80bbda9..ab5f2b3d2fe1 100644
--- a/.github/workflows/spec.yml
+++ b/.github/workflows/spec.yml
@@ -16,6 +16,10 @@ env:
 jobs:
   specification:
     runs-on: ubuntu-latest
+    if: (github.event_name == 'pull_request' && !contains(github.event.pull_request.body, '[skip ci]'))  ||
+        (github.event_name == 'workflow_dispatch' && github.repository == 'scala/scala3') ||
+        github.event_name == 'push' ||
+        github.event_name == 'merge_group'
     defaults:
       run:
         working-directory: ./docs/_spec